* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --bg-primary: #0d1117;
    --bg-secondary: #161b22;
    --bg-tertiary: #21262d;
    --border-color: #30363d;
    --text-primary: #e6edf3;
    --text-secondary: #8b949e;
    --accent-blue: #58a6ff;
    --accent-green: #3fb950;
    --accent-red: #f85149;
    --accent-yellow: #d29922;
    --accent-purple: #a371f7;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
}

.overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
}

.login-box {
    background: var(--bg-secondary);
    padding: 40px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    text-align: center;
    min-width: 360px;
}

.login-box h1 {
    margin-bottom: 12px;
    font-size: 24px;
}

.login-hint {
    color: var(--text-secondary);
    margin-bottom: 24px;
}

.login-box input {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background: var(--bg-tertiary);
    color: var(--text-primary);
    font-size: 16px;
    margin-bottom: 16px;
}

.login-box input:focus {
    outline: none;
    border-color: var(--accent-blue);
}

.login-box button {
    width: 100%;
    padding: 12px;
    background: var(--accent-blue);
    color: white;
    border: none;
    border-radius: 6px;
    font-size: 16px;
    cursor: pointer;
    transition: background 0.2s;
}

.login-box button:hover {
    background: #4393e6;
}

.error-msg {
    color: var(--accent-red);
    margin-top: 12px;
    font-size: 14px;
}

.header {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    padding: 16px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header h1 {
    font-size: 20px;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 16px;
}

.header-right {
    display: flex;
    gap: 12px;
}

.status {
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 500;
}

.status.connected {
    background: rgba(63, 185, 80, 0.15);
    color: var(--accent-green);
}

.status.disconnected {
    background: rgba(248, 81, 73, 0.15);
    color: var(--accent-red);
}

.status.connecting {
    background: rgba(210, 153, 34, 0.15);
    color: var(--accent-yellow);
}

.btn-primary, .btn-secondary {
    padding: 8px 16px;
    border-radius: 6px;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.2s;
    border: 1px solid transparent;
}

.btn-primary {
    background: var(--accent-blue);
    color: white;
}

.btn-primary:hover {
    background: #4393e6;
}

.btn-secondary {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border-color: var(--border-color);
}

.btn-secondary:hover {
    background: var(--border-color);
}

.btn-danger {
    background: rgba(248, 81, 73, 0.15);
    color: var(--accent-red);
    border-color: var(--accent-red);
}

.btn-danger:hover {
    background: var(--accent-red);
    color: white;
}

.main-content {
    padding: 24px;
    max-width: 1400px;
    margin: 0 auto;
}

.tab {
    display: none;
}

.tab.active {
    display: block;
}

.toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.toolbar h2 {
    font-size: 18px;
}

.table-container {
    background: var(--bg-secondary);
    border-radius: 8px;
    border: 1px solid var(--border-color);
    overflow: hidden;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
}

.data-table th,
.data-table td {
    padding: 12px 16px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.data-table th {
    background: var(--bg-tertiary);
    font-weight: 600;
    font-size: 13px;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.data-table tr:hover {
    background: var(--bg-tertiary);
}

.data-table tr:last-child td {
    border-bottom: none;
}

.data-table .uuid-cell {
    font-family: monospace;
    font-size: 12px;
    color: var(--text-secondary);
}

.data-table .action-btns {
    display: flex;
    gap: 8px;
}

.data-table .action-btns button {
    padding: 4px 8px;
    font-size: 12px;
}

.pagination {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 20px;
}

.pagination button {
    padding: 8px 12px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    border-radius: 6px;
    cursor: pointer;
}

.pagination button:hover:not(:disabled) {
    background: var(--bg-tertiary);
}

.pagination button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    justify-content: center;
    align-items: center;
    z-index: 500;
}

.modal.show {
    display: flex;
}

.modal-content {
    background: var(--bg-secondary);
    border-radius: 12px;
    border: 1px solid var(--border-color);
    width: 100%;
    max-width: 480px;
    max-height: 90vh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.modal-content.modal-large {
    max-width: 700px;
}

.modal-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h3 {
    font-size: 16px;
}

.close {
    font-size: 24px;
    cursor: pointer;
    color: var(--text-secondary);
    line-height: 1;
}

.close:hover {
    color: var(--text-primary);
}

.modal-body {
    padding: 20px;
    overflow-y: auto;
}

.modal-footer {
    padding: 16px 20px;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: flex-end;
    gap: 12px;
}

.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    margin-bottom: 6px;
    font-size: 14px;
    color: var(--text-secondary);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background: var(--bg-tertiary);
    color: var(--text-primary);
    font-size: 14px;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-blue);
}

.form-group textarea {
    min-height: 80px;
    resize: vertical;
}

.form-inline {
    display: flex;
    gap: 12px;
    margin-top: 16px;
}

.form-inline input {
    flex: 1;
    padding: 10px 12px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background: var(--bg-tertiary);
    color: var(--text-primary);
    font-size: 14px;
}

.detail-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    margin-bottom: 20px;
}

.detail-item {
    padding: 12px;
    background: var(--bg-tertiary);
    border-radius: 6px;
}

.detail-item label {
    display: block;
    font-size: 12px;
    color: var(--text-secondary);
    margin-bottom: 4px;
}

.detail-item span {
    font-size: 14px;
    word-break: break-all;
}

.toast {
    position: fixed;
    bottom: 24px;
    right: 24px;
    padding: 12px 20px;
    border-radius: 8px;
    font-size: 14px;
    z-index: 1001;
    transform: translateY(100px);
    opacity: 0;
    transition: all 0.3s;
}

.toast.show {
    transform: translateY(0);
    opacity: 1;
}

.toast.success {
    background: var(--accent-green);
    color: white;
}

.toast.error {
    background: var(--accent-red);
    color: white;
}

.toast.info {
    background: var(--accent-blue);
    color: white;
}

.log-container {
    margin-top: 16px;
    padding: 12px;
    background: var(--bg-primary);
    border-radius: 6px;
    font-family: monospace;
    font-size: 12px;
    color: var(--text-secondary);
    overflow-x: auto;
}

.log-container pre {
    white-space: pre-wrap;
    word-break: break-all;
}

.log-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
}

.copy-btn {
    padding: 4px 8px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    border-radius: 4px;
    font-size: 12px;
    cursor: pointer;
}

.copy-btn:hover {
    background: var(--border-color);
    color: var(--text-primary);
}

@media (max-width: 768px) {
    .header {
        flex-direction: column;
        gap: 12px;
    }

    .header-right {
        flex-wrap: wrap;
        justify-content: center;
    }

    .toolbar {
        flex-direction: column;
        gap: 12px;
        align-items: flex-start;
    }

    .detail-grid {
        grid-template-columns: 1fr;
    }

    .form-inline {
        flex-direction: column;
    }
}